Is CVE-2020-27853 in the CISA KEV catalog?

No. CVE-2020-27853 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-27853?

CVE-2020-27853 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2020-27853?

CVE-2020-27853 has an EPSS score of 3.78% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-27853?

Upgrade wire to 3.21.2936 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2020-27853

CRITICALEPSS 89th pctl

9.8

CVSS v3

NVD

Description

Wire before 2020-10-16 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a format string. This affects Wire AVS (Audio, Video, and Signaling) 5.3 through 6.x before 6.4, the Wire Secure Messenger application before 3.49.918 for Android, and the Wire Secure Messenger application before 3.61 for iOS. This occurs via the value parameter to sdp_media_set_lattr in peerflow/sdp.c.

CWE-134

How to fix

Remediation Available

wireNVD

Affected:< 3.21.2936Fixed in:3.21.2936CVE-2020-27853derived from NVD

Affected:< 3.21.3932Fixed in:3.21.3932CVE-2020-27853derived from NVD

Affected:< 3.21.3959Fixed in:3.21.3959CVE-2020-27853derived from NVD

wire - audio\, video\, and signalingNVD

Affected:>= 5.3, < 6.4Fixed in:6.4CVE-2020-27853derived from NVD

wire secure messengerNVD

Affected:< 3.49.918Fixed in:3.49.918CVE-2020-27853derived from NVD

Affected:< 3.61Fixed in:3.61CVE-2020-27853derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

3.78%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Exploit2

Related Vulnerabilities

Other CWE-134 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-13160	Critical	9.8	81%	-	Fix
CVE-2023-22374	High	8.5	73%	-	-
CVE-2012-1851	High	10.0	66%	-	-
CVE-2024-23113	Critical	9.8	62%	KEV	-
CVE-2012-3569	High	9.3	48%	-	-
CVE-2018-6317	Critical	9.1	44%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.